Richard Armstrong

[Richard Armstrong]

I think online is the way to go. Thank you Susan

[Richard Armstrong]

Is this a one time purchase and it’s good for future years?

[Richard Armstrong]

Thank you Susan

[Richard Armstrong]

That’s a great idea! Thanks Susan

[Richard Armstrong]

Would that be RepairClinic or any of the other appliance parts.com sites? I’ve only ordered a few parts so far. I wouldn’t think they would go to that inconvenience for me.

[Richard Armstrong]

90 F Superheat @ Compressor discharge. I didn’t realize the Danfoss temperature at a specific psi(g) was subtracted from the measured line temperature. Thank you

[Richard Armstrong]

Referring to the Homework page with the R-404A Refrigerant System psi(g) 312 @ the Compressor Discharge. Measured temperature 210 F. The Refrigerant is Superheated. This is where I need help. Saturation occurs in the Evaporator @ 41 F. 210 – 41 = Superheated 169 F. Explaining how I answered this wrong will help me to understand the correct answer. Thank you

[Richard Armstrong]

AH HAH! 😳 I REALLY struggled to find an answer that would be correct also. May i go out on a few calls with you before going into business for myself? 😊 I’ll buy you an Icey cold after, Thank you Scott

[Richard Armstrong]

Thank you for the explanation Susan. I did not realize both compressor windings are to be calculated in this equation. Then again the question did ask for Total resistance. Thanks!

[Richard Armstrong]

I missed this question also. I believe one needs to carefully trace line voltage running thru the compressor in the off position. I used the Component Specifications without looking at the Schematic to answer this question. Big mistake!

[Richard Armstrong]

Thank you Sam for all you do for us students of yours. The answer to my question turned out to be very obvious. The supplental Webinars, Understanding “Loading Down” in DC power supplys and Troublshooting strategies for computer controlled Appliances are a must watch for all students. I went on to read a few more blogs concerning “Loading Down” from Appliantogy Techs and Son of Sam. Extremely enlightening and a must read and watch for all technicians. Thank you, Rich.

[Richard Armstrong]

Thank you Susan

[Richard Armstrong]

Thank you for the clarity Susan, I wont forget this. Now I understand.

[Richard Armstrong]

For that specific question the answer had three voltages. 5 dc for locking and unlocking and 12 dc for momentarily unlocking. 120 V for the door lock switch utilizing a solenoid. The tech sheets are defifintely the go to answer. Thanks Susan, i thought i might have missed something important in our past studies. I dont think we need to kick that can down the road any longer as Master Sam has been known to say.

[Richard Armstrong]

You solved the question absolutely! The diaphragm is always fluctuating (probably in a miniscule movement) up and down to maintain a consistent flow of regulated gas pressure. So, to counter the decrease in regulated gas pressure, the diaphragm moves Down to allow more gas to flow in, increasing pressure to maintain consistent regulated pressure. I was thinking the gas pressure was manually decreased with the adjustment screw. As appliantologists this is not an option available as appliance gas regulators are sealed by the manufacturer and not adjustable. Thank you Susan

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